| 释义 |
photogene|ˈfəʊtədʒiːn|
[mod. f. Gr. type *ϕωτογενής light-produced: see photo- 1, -gen 2.]
1. Physiol. A visual impression (usually negative, i.e. having the complementary colours and shades) continuing after the withdrawal of the object which produced it; an after-image.
1864H. Spencer Biol. §62 In youth, the visual apparatus is so quickly restored to its state of integrity, that many of these photogenes, as they are called, cannot be perceived.
†2. A ‘photogenic drawing’, photograph. Obs.
1851Crabb Techn. Dict. 541/2 Photograph,..also called photogene,..signifying what is generated or delineated by the help of light. |